package com.qf.dao.impl;

import com.qf.dao.GoodsDao;
import com.qf.pojo.Goods;
import com.qf.utils.DButil;
import org.apache.commons.dbutils.QueryRunner;
import org.apache.commons.dbutils.handlers.BeanHandler;
import org.apache.commons.dbutils.handlers.BeanListHandler;

import java.sql.SQLException;
import java.util.List;

public class GoodsDaoImpl implements GoodsDao {
    private QueryRunner queryRunner=new QueryRunner(DButil.getDateSource());
    @Override
    public void insertGoods(Goods goods) {
        String sql="insert into tb_goods(name,pubdate,picture,price,star,intro,tid) value(?,?,?,?,?,?,?)";
        try {
            queryRunner.update(sql, goods.getName(), goods.getPubdate(), goods.getPicture(),
                   goods.getPrice(), goods.getStar(), goods.getIntro(), goods.getTid());
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }

    @Override
    public List<Goods> findGoodsAll() {
        String sql = "select a.*, b.name typeName from tb_goods a " +
                "LEFT join tb_goods_type b ON a.tid = b.id";
        try {
            List<Goods> list = queryRunner.query(sql, new BeanListHandler<Goods>(Goods.class));
            return list;
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return null;
    }

    @Override
    public Goods findById(Integer id) {
        String sql="select * from tb_goods where id=?";
        try {
            Goods query = queryRunner.query(sql, new BeanHandler<Goods>(Goods.class), id);
            return query;
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return null;
    }

}
